Oklahoma

for a broken system, not only prison and justice system, but the system of interaction between Native American nations and U.S. state and federal entities. Native Americans are incarcerated at roughly twice the rate of whites in this country.

https://www.prisonpolicy.org/blog/2020/04/22/native/

"In 2010, there were a total of 37,854 American Indian/Alaskan Natives in adult correctional facilities, including 32,524 men and 5,132 women (and 198 who were 17 or younger). That is equivalent to a total incarceration rate of 1,291 per 100,000 people, more than double that of white Americans (510 per 100,000). In states with large Native populations, such as North Dakota, American Indian/Alaskan Native incarceration rates can be up to 7 times that of whites....

Oklahoma tops the list as the state with the highest number of American Indian/Alaskan Natives incarcerated, followed by Arizona, Alaska, and California. However, this data is not broken down further by sex and race."